A protester unfurled a banner stating 'NRA Killing Our Kids' during a National Rifle Association press conference being held after the Sandy Hook school shootings.
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An extra hour a day of TV, internet or computer gaming could reduce GCSE success by two grades, research claims.
David Cameron is expected to announce a new plan that will see Britain take in thousands more Syrian refugees.
Reports Ed Miliband is to rule out a return to frontline politics have been described as "speculation" by sources close to the politician.